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Holybro Microhard Telemetry Radio(P400) (Global Warehouse)

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      Holybro Microhard Telemetry Radio(P400)

      Holybro Microhard Telemetry Radio integrates microhard Pico Series RF module which is capable of delivering high-performance wireless serial communications in robust topologies, such as Point to Point, Point to Multipoint and secure Mesh (Mesh only available on P900).

      It uses frequency hopping spread spectrum (FHSS) technology, providing reliable wireless asynchronous data transfer between most equipment types which employ a serial interface. Fixed frequency is available on the P840 version. The radio is configured using AT commands through the Data port or using PicoConfig application through the Diagnostic Port.

      P900 Radio operate within the 902-928 MHz ISM frequency band while the P840 operate within 840-845Mhz, and P400 operate within 410-480MHz. You can select your radio based on your country's available frequency band.

      FCC ID: NS913P900

      Feature

      • USB Type-C port, integrated USB to UART converter
      • 6-position JST-GH connector, can be directly connected to the TELEM port on various flight controller
      • High voltage BEC onboard, Support DC7~35V voltage supply
      • UART transmission LED indicator
      • Three-stage RSSI LED indicator  
      • Transmission within a public, license-exempt band of the radio spectrum
      • Transparent, low latency link rates up to 276 kbps (P900) and 345 kbps (P860 & P400) 
      • Supports a robust true Mesh operation with auto-routing (P900 Only)
      • 32 bits of CRC, selectable retransmission and forward error correction
      • Separate diagnostics port, transparent remote diagnostics and online network control

      Specification

      P900
      		P840
      		P400-C1S
      Frequency Range 902 to 928 MHz 840 to 845 MHz 410 to 480 MHz
      Transmit Power
      (software adjustable)      		 100mW to 1W (20-30dBm) 100mW to 1W (20-30dBm) 100mW to 1W (20-30dBm)
      Link Rate Up to 276 kbps Up to 345 kbps Up to 345 kbps
      Serial Baud Rate Up to 230.4 kbps asynchronous 300 bps to 230 kbps
      Range Up to 40 miles (60 km) Up to 60 miles (100 km) Up to 60 miles (100 km) @ 19.2 kbps
      Spreading Method Frequency Hopping Spread Spectrum (FHSS) Frequency Hopping/Fixed Frequency,
      GMSK, 2GFSK, 4GFSK, QPSK      		 Frequency Hopping,
      GMSK, 2GFSK, 4GFSK, QPSK
      Operating Modes Mesh, Point-to-Point, Point-to-Multipoint, Store and Forward,
      Auto Routing, Self Healing, Packet Routing Modes      		 Point-to-Point, Point-to-Multipoint,
      Store & Forward Repeater, Peer-to-Peer
      Input Voltage DC7~35V
      (4-position JST-GH)
      Power Consumption Sleep < 1mA
      Idle 3.5mA
      Rx: 45mA to 98mA
      Tx: 1000mA to 1400mA      		 Sleep < 1mA
      Idle 20mA
      Rx: 45mA to 98mA
      Tx Peak: 2A      		 Sleep < 1mA
      Idle 20mA
      Rx: 45mA to 98mA
      Tx Peak: 2A
      Error Detection 32 bits of CRC, ARQ
      Weight 44g (without antenna) 71g (with antenna) 44g (without antenna) 71g (with antenna) 44g (without antenna) 67g (with antenna)

      Other Technical details and download can be found in Holybro Documentation page.

      Reference Links

      • Ports & Button
      • Status LED Meaning
      • Default Setting
      • Pinout
      • Dimension
      • Enabling RTS / CTS Flow Control
      • Point-to-Multipoint Setup
      • Downloads
      SKU17024/17019/17026 Includes:
      • 1x  Microhard P840/P900/P400 Radio
      • 1x  Antenna
      • 1x  XT30 Power cable
      • 1x  GH 6P to 6P cable 
      • 1x  Metal Pin

      SKU17025/17020/17027 Includes:
      • 2x  Microhard P840/P900/P400 Radio
      • 2x  Antenna
      • 2x  XT30 Power cable
      • 1x  GH 6P to 6P cable 
      • 1x  Metal Pin


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